Simplify each expression by using che distributive property and combining (lke terms 20. 2(9b + 6) - 5b
11. 6(3n + 4) + 2n
12. 2(n+6) + 3(n + 6)

Rename mixed numbers before you can subtract are what

You were told that the amount of time lapsed between consecutive trades on the new york stock exchange followed a normal distribution with a mean of 15 seconds. you were also told that the probability that the time lapsed between two consecutive trades to fall between 16 to 17 seconds was 13%. the probability that the time lapsed between two consecutive trades would fall below 13 seconds was 7%. what is the probability that the time lapsed between two consecutive trades will be between 14 and 15 seconds?

Solve the equation by completing the square. x^2+2x=17